overranging

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English

Etymology

From over- +‎ ranging.

Noun

overranging (uncountable)

  1. (radiography) The act of scanning beyond the boundaries of what is being imaged, usually in order to accurately reconstruct the edges of that region.
    • 2010 July 4, Arnold Schilham et al., “Overranging at Multisection CT: An Underestimated Source of Excess Radiation Exposure”, in RadioGraphics, volume 30, number 4, →DOI:
      To reconstruct the first and last sections of a helical computed tomographic (CT) scan, the scan length is automatically extended beyond the planned image boundaries, a phenomenon known as overranging.
    • 1983, Stanley Wolf, Guide to Electronic Measurements and Laboratory Practice, page 118:
      Overranging allows a DVM to measure voltage values above the normal decade transfer points without the necessity of having to change ranges.
    • 1985, Alvis J. Evans, Using Your Meter: VOM and DVM Multitesters, page 15:
      Overranging was instituted to take full advantage of the upper limits of a range . It also provides better accuracy at the top of a range .
    • 2016, Joel H. Bortz, Aarthi Ramlaul, Leonie Munro, CT Colonography for Radiographers:
      In helical scanning, exposure is needed before the start and after the end of the planned scan range in order to reconstruct images at these positions . This overranging requires at least one extra gantry rotation, even though only a small portion of this data is utilised for image reconstruction.

Verb

overranging

  1. present participle and gerund of overrange